linux-kernel - Re: [PATCH 2/3] kmemleak: replace list_for_each_continue

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Message-ID: <5036D062.7070003@linux.vnet.ibm.com>
Date:	Fri, 24 Aug 2012 08:52:50 +0800
From:	Michael Wang <wangyun@...ux.vnet.ibm.com>
To:	LKML <linux-kernel@...r.kernel.org>, linux-mm@...ck.org
CC:	catalin.marinas@....com,
	"paulmck@...ux.vnet.ibm.com" <paulmck@...ux.vnet.ibm.com>
Subject: Re: [PATCH 2/3] kmemleak: replace list_for_each_continue_rcu with
 new interface

On 08/17/2012 12:33 PM, Michael Wang wrote:
> From: Michael Wang <wangyun@...ux.vnet.ibm.com>
> 
> This patch replaces list_for_each_continue_rcu() with
> list_for_each_entry_continue_rcu() to save a few lines
> of code and allow removing list_for_each_continue_rcu().

Hi, Catalin

Could I get some comments on this patch?

Regards,
Michael Wang

> 
> Signed-off-by: Michael Wang <wangyun@...ux.vnet.ibm.com>
> ---
>  mm/kmemleak.c |    6 ++----
>  1 files changed, 2 insertions(+), 4 deletions(-)
> 
> diff --git a/mm/kmemleak.c b/mm/kmemleak.c
> index 45eb621..0de83b4 100644
> --- a/mm/kmemleak.c
> +++ b/mm/kmemleak.c
> @@ -1483,13 +1483,11 @@ static void *kmemleak_seq_next(struct seq_file *seq, void *v, loff_t *pos)
>  {
>  	struct kmemleak_object *prev_obj = v;
>  	struct kmemleak_object *next_obj = NULL;
> -	struct list_head *n = &prev_obj->object_list;
> +	struct kmemleak_object *obj = prev_obj;
> 
>  	++(*pos);
> 
> -	list_for_each_continue_rcu(n, &object_list) {
> -		struct kmemleak_object *obj =
> -			list_entry(n, struct kmemleak_object, object_list);
> +	list_for_each_entry_continue_rcu(obj, &object_list, object_list) {
>  		if (get_object(obj)) {
>  			next_obj = obj;
>  			break;
> 

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